Chromium browser crash - failed to connect display

The Chromium browser crashes with this message:

Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: [/var/local/lib/afm/applications/browser/-b1d3489/runxdg.toml] parsed
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: params[--in-process-gpu]
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: params[--user-data-dir=/opt/chromium68/workdir]
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: params[--no-sandbox]
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: id=[browser@-b1d3489], name=[browser], path=[/opt/chromium68/chrome], port=31028, token=[HELLO]
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: Failed to connect display in libilmCommon
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: Not initialized
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: RunXDG created.
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: SIGTERM being defaulted.
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: waiting for notification: surafce created
Jul 08 07:08:03 intel-corei7-64 afbd-browser@-b1d3489[1018]: DEBUG: find surfpid by rid(1039)
Jul 08 07:08:04 intel-corei7-64 afbd-browser@-b1d3489[1018]: [1039:1039:0708/070804.701608:ERROR:wayland_connection.cc(62)] Failed to connect to Wayland display
Jul 08 07:08:04 intel-corei7-64 afbd-browser@-b1d3489[1018]: [1039:1039:0708/070804.701685:FATAL:ozone_platform_wayland.cc(148)] Failed to initialize Wayland platform
Jul 08 07:08:04 intel-corei7-64 kernel: traps: chrome[1039] trap int3 ip:7f8bfd35a22b sp:7ffcaaebf550 error:0 in libcbe.so[7f8bfb362000+6e01000]
Jul 08 07:08:04 intel-corei7-64 kernel: audit: type=1701 audit(1562569684.711:41): auid=4294967295 uid=1001 gid=1001 ses=4294967295 subj=User::App::browser pid=1039 comm="chrome" exe="/opt/chromium68/chrome" sig=5 res=1